| TITLE: INFO: rcu detected stall in sctp_generate_heartbeat_event |
| TYPE: HANG |
| |
| [ 486.569033] INFO: rcu_sched self-detected stall on CPU |
| [ 486.574490] 0-...!: (124998 ticks this GP) idle=0be/1/4611686018427387908 softirq=15234/15234 fqs=59 |
| [ 486.584061] (t=125000 jiffies g=7610 c=7609 q=351640) |
| [ 486.589425] rcu_sched kthread starved for 124739 jiffies! g7610 c7609 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 |
| [ 486.599806] RCU grace-period kthread stack dump: |
| [ 486.604550] rcu_sched R running task 23896 9 2 0x80000000 |
| [ 486.611759] Call Trace: |
| [ 486.614337] __schedule+0x801/0x1e30 |
| [ 486.639334] schedule+0xef/0x430 |
| [ 486.678051] schedule_timeout+0x138/0x240 |
| [ 486.690987] rcu_gp_kthread+0x6b5/0x1940 |
| [ 486.824473] kthread+0x345/0x410 |
| [ 486.836697] ret_from_fork+0x3a/0x50 |
| [ 486.840421] NMI backtrace for cpu 0 |
| [ 486.844038] CPU: 0 PID: 6381 Comm: sh Not tainted 4.17.0-rc5+ #58 |
| [ 486.850257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 486.859596] Call Trace: |
| [ 486.862174] <IRQ> |
| [ 486.864315] dump_stack+0x1b9/0x294 |
| [ 486.877074] nmi_cpu_backtrace.cold.4+0x19/0xce |
| [ 486.886903] nmi_trigger_cpumask_backtrace+0x151/0x192 |
| [ 486.892167] arch_trigger_cpumask_backtrace+0x14/0x20 |
| [ 486.897347] rcu_dump_cpu_stacks+0x175/0x1c2 |
| [ 486.906765] check_cpu_stall.isra.61.cold.80+0x36c/0x59a |
| [ 486.967369] rcu_check_callbacks+0x21b/0xad0 |
| [ 487.021142] update_process_times+0x2d/0x70 |
| [ 487.025452] tick_sched_handle+0x9f/0x180 |
| [ 487.029583] tick_sched_timer+0x45/0x130 |
| [ 487.033630] __hrtimer_run_queues+0x3e3/0x10a0 |
| [ 487.074515] hrtimer_interrupt+0x2f3/0x750 |
| [ 487.078754] smp_apic_timer_interrupt+0x15d/0x710 |
| [ 487.098448] apic_timer_interrupt+0xf/0x20 |
| [ 487.102683] RIP: 0010:lock_acquire+0x257/0x520 |
| [ 487.107246] RSP: 0000:ffff8801dae06b60 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 |
| [ 487.114937] RAX: dffffc0000000000 RBX: 1ffff1003b5c0d71 RCX: 0000000000000000 |
| [ 487.122190] RDX: 1ffffffff11a30e5 RSI: ffff8801c7b54c38 RDI: 0000000000000286 |
| [ 487.129440] RBP: ffff8801dae06c50 R08: 0000000000000008 R09: 0000000000000003 |
| [ 487.136692] R10: ffff8801c7b54cb0 R11: ffff8801c7b54400 R12: ffff8801c7b54400 |
| [ 487.143948] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 |
| [ 487.173035] is_bpf_text_address+0x3b/0x170 |
| [ 487.181997] kernel_text_address+0x79/0xf0 |
| [ 487.190350] __kernel_text_address+0xd/0x40 |
| [ 487.194668] unwind_get_return_address+0x61/0xa0 |
| [ 487.199429] __save_stack_trace+0x7e/0xd0 |
| [ 487.203571] save_stack_trace+0x1a/0x20 |
| [ 487.207529] save_stack+0x43/0xd0 |
| [ 487.356403] kasan_kmalloc+0xc4/0xe0 |
| [ 487.360107] kasan_slab_alloc+0x12/0x20 |
| [ 487.364754] kmem_cache_alloc_node+0x131/0x780 |
| [ 487.383127] __alloc_skb+0x111/0x780 |
| [ 487.426126] _sctp_make_chunk+0x58/0x280 |
| [ 487.430174] sctp_make_heartbeat+0x8f/0x430 |
| [ 487.459807] sctp_sf_heartbeat.isra.23+0x26/0x180 |
| [ 487.464634] sctp_sf_sendbeat_8_3+0x38e/0x550 |
| [ 487.469117] sctp_do_sm+0x1ab/0x7160 |
| [ 487.544210] sctp_generate_heartbeat_event+0x218/0x450 |
| [ 487.549480] call_timer_fn+0x230/0x940 |
| [ 487.604501] __run_timers+0x79e/0xc50 |
| [ 487.647862] run_timer_softirq+0x4c/0x70 |
| [ 487.651907] __do_softirq+0x2e0/0xaf5 |
| [ 487.696662] irq_exit+0x1d1/0x200 |
| [ 487.700103] smp_apic_timer_interrupt+0x17e/0x710 |
| [ 487.731472] apic_timer_interrupt+0xf/0x20 |
| [ 487.735686] </IRQ> |
| [ 487.737908] RIP: 0010:rcu_is_watching+0xc4/0x140 |
| [ 487.742651] RSP: 0000:ffff8801c957f398 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 |
| [ 487.750347] RAX: 00000000000130be RBX: 1ffff100392afe74 RCX: 1ffff100392afe78 |
| [ 487.757598] RDX: 0000000000000004 RSI: 0000000000000004 RDI: ffff8801dae23610 |
| [ 487.764850] RBP: ffff8801c957f428 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 |
| [ 487.772101] R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801c957f3c0 |
| [ 487.779353] R13: ffff8801dae23610 R14: ffff8801c957f400 R15: dffffc0000000000 |
| [ 487.804394] rcu_read_lock_sched_held+0x8d/0x120 |
| [ 487.809139] kmem_cache_alloc+0x5fa/0x760 |
| [ 487.821900] __anon_vma_prepare+0x3b3/0x700 |
| [ 487.838290] wp_page_copy+0xdf1/0x1440 |
| [ 487.873330] do_wp_page+0x425/0x1990 |
| [ 487.929184] __handle_mm_fault+0x2996/0x4310 |
| [ 487.958511] handle_mm_fault+0x53a/0xc70 |
| [ 487.970662] __do_page_fault+0x60b/0xe40 |
| [ 487.982996] do_page_fault+0xee/0x8a7 |
| [ 488.035994] page_fault+0x1e/0x30 |
| [ 488.039438] RIP: 0033:0x7f4232a6d1fb |
| [ 488.043133] RSP: 002b:00007fff2aeebd28 EFLAGS: 00010246 |
| [ 488.048483] RAX: 000000000000000d RBX: 00000000756e6547 RCX: 000000006c65746e |
| [ 488.055740] RDX: 0000000049656e69 RSI: 0000000000000025 RDI: 0000000000000002 |
| [ 488.063019] RBP: 00007fff2aeebe20 R08: 0000000000000001 R09: 000000000000002f |
| [ 488.070280] R10: 00007f4232a6caf0 R11: 00007fff2aeebb70 R12: 00007f4232a4e000 |
| [ 488.077543] R13: 00007f4232dd5038 R14: 00007f4232a6cac0 R15: 00007f4232dd5d98 |
